[patch 106/173] mm: remove unneeded local variable in free_area_init_core
flat view
STALE2055d
REVIEWED: 2 (0M)
From: Andrew Morton <akpm@linux-foundation.org>
Date: 2021-02-24 20:06:28
Also in:
mm-commits
2 review trailers.
From: Baoquan He <redacted> Subject: mm: remove unneeded local variable in free_area_init_core Local variable 'zone_start_pfn' is not needed since there's only one call site in free_area_init_core(). Let's remove it and pass zone->zone_start_pfn directly to init_currently_empty_zone(). Link: https://lkml.kernel.org/r/20210122135956.5946-6-bhe@redhat.com Signed-off-by: Baoquan He <redacted> Reviewed-by: Mike Rapoport <redacted> Reviewed-by: David Hildenbrand <redacted> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> --- mm/page_alloc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/mm/page_alloc.c~mm-remove-unneeded-local-variable-in-free_area_init_core
+++ a/mm/page_alloc.c@@ -6927,7 +6927,6 @@ static void __init free_area_init_core(s for (j = 0; j < MAX_NR_ZONES; j++) { struct zone *zone = pgdat->node_zones + j; unsigned long size, freesize, memmap_pages; - unsigned long zone_start_pfn = zone->zone_start_pfn; size = zone->spanned_pages; freesize = zone->present_pages;
@@ -6976,7 +6975,7 @@ static void __init free_area_init_core(s set_pageblock_order(); setup_usemap(zone); - init_currently_empty_zone(zone, zone_start_pfn, size); + init_currently_empty_zone(zone, zone->zone_start_pfn, size); memmap_init_zone(zone); } }
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